Two beds pushed together to create one amazing gigantic bed. Not only a thousand (infinity) times better than a single bed by itself, but it can also somehow fit up to 6 people comfortably when lying horizontally, even though 2 people can barely fit on one bed when lying vertically.
Characterized by a mysteriously magnetic attractive force. When in the presence of MEGABED, it is impossible to resist this attraction, and it is inevitable that you will stop all work and succumb to the power of MEGABED.
Girl: How is MEGABED so amazing? I could talk for hours on end about how unbelievably awesome it is.
Boy: I know. When I asked about it last night you spent the next 2 hours expounding on the powers of MEGABED.
Boy: Wanna go back to my place?
Girl: Ehh, not really, I should stay wi--
Boy: I have a MEGABED..
Girl: Let's go.